Question

(5) How is the uppermost horizon of soil useful ?​

Answer 1

Answer:

The uppermost horizon is generally dark in colour as it is rich in humus and minerals. The humus makes the soil fertile and provides nutrients to growing plants. This layer is generally soft, porous and can retain more water. ... The next layer has a lesser amount of humus but more of minerals.

Explanation:

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Answer 2

Answer:

The uppermost horizon is generally dark in colour as it is rich in humus and minerals. The humus makes the soil fertile and provides nutrients to growing plants. This layer is generally soft, porous and can retain more water. ... The next layer has a lesser amount of humus but more of minerals.

Explanation:

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